Progress in Orthodontics

Table 4 Pre-and post-surgical growth changes of Co, along with statistical comparisons of the treatment and control groups

From: Surgical treatment of adolescent internal condylar resorption (AICR) with articular disc repositioning and orthognathic surgery in the growing patient—a pilot study

	Treatment group		Control group		Prob group differences
	Mean (mm/year)	SD	Mean (mm/year)	SD	Prob group differences
Pre-surgical (T2-T1) changes
Total	1.46	1.18	1.62	1.46	0.886
x-axis^a	−0.52	0.63	−0.12	0.67	0.041
y-axis^a	−0.66	0.61	+1.18	1.75	0.022
Post-surgical (T4-T3) changes
Total	2.00	0.71	2.15	1.66	0.473
x-axis^a	−0.88	1.08	+0.16	0.45	0.054
y-axis^a	+1.39	1.12	+1.27	1.23	0.471

^a(+) anteriorly and superiorly; (−) posteriorly and inferiorly

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